A Regression and Correlation Analysis Resulted in the Following Information

question 42

Multiple Choice

A regression and correlation analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x) . $$\begin{array} { l l } \Sigma x = 90 & \sum \left( y - \frac { y } { x } \right) \left( x - { } ^ { x } \right) = 466 \\\Sigma y = 170 & \sum ( x - ) ^ { 2 } = 234 \\n = 10 & \Sigma \left( y - y ^ { 2 } \right) ^ { 2 } = 1434 \\\mathrm { SSE } = 505.98 &\end{array}$$ The sample correlation coefficient equals

• A) .8045.
• B) -.8045.
• C) .3528.
• D) -.3528.

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Definitions:

Flexes

The action of bending a limb or muscle.

Rotates

The action of moving or turning around a central axis or point.

Muscular Development

The growth and increase in size of muscle cells, typically through exercise and dietary management.

Deficient Nourishment

A state or condition resulting from the inadequate intake or absorption of essential nutrients, leading to various health problems.